<template>
  <div class="base-a">我是A组件（接受方）</div>
</template>

<script>
export default {
  data() {
    return {};
  },
};
</script>

<style scoped>
.base-a {
  width: 200px;
  height: 200px;
  border: 3px solid #000;
  border-radius: 3px;
  margin: 10px;
}
</style>